A Separation Theorem for ∑ 1 1 Sets (Q5904770)
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scientific article; zbMATH DE number 3724435
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A Separation Theorem for ∑ 1 1 Sets |
scientific article; zbMATH DE number 3724435 |
Statements
A Separation Theorem for ∑ 1 1 Sets (English)
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1980
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Borel hierarchy
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hyperarithmetical hierarchy
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Lebesgue-Hausdorff theorem
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section problem
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